Physics

Researchers claim to have found serious fault with the existence of dark energy, but not everyone is buying into it.

We just might need new physics to get out of this mess.

Where did these stars come from?

A new model suggests that the star Betelgeuse committed an act of cannibalism.

What's going on in the middle of our galaxy?

The world of the teensy-tiny, the quantum realm, could have a favorite flavor. Here's why that's a big deal.

No one really knows what happens inside an atom.

Quantum computing seems to inch closer every year.

These strange discoveries will suck you in.

Heat isn't supposed to move like this.

We live in a very big house, but we can't see most of it.

Neutron stars have never been caught behaving this way before.

It would rewrite the Standard Model of physics.

Why do gas bubbles appear to get stuck inside narrow vertical tubes?

NASA's Parker Solar Probe has passed through the outer atmosphere of the sun, and now we get to see what it found.

Nineteen newly discovered dwarf galaxies seem to be missing their dark matter, and physicists aren't sure why.

Google claims quantum supremacy – IBM says not so fast. One researcher explains why he doesn't see quantum computers outpacing classical computers any time soon ... and maybe not ever.

At some point, the rules of the subatomic give way to the rules of the macroscopic. But how? We're not exactly sure, and it's been a long, strange journey in trying to answer that question.

The cracks, if they exist, are old, remnants of a time shortly after the Big Bang.